Sri Mahakalanathar Temple is a Lord Shiva temple in Thirumahakalam in Thiruvarur district of Tamil Nadu. It is one of the padal petra sthalam and the Lord Shiva here was worshipped by Thirugnasambandar, Thirunavukkarasar and Sambandar.
Padal Petra Sthalam
This is one of the 276 temples mentioned in Devaram which are collections of songs of these temples by Thirunavukkarasar, Thirugnasambandar, Sundarar and Manickavasagar. These collection of songs composed by the great saints describe many of these temples, deities, history, legends, sthala vruksha, temple ponds and other details about the god and temple.